Merge pull request #579 from Unity-Technologies/HDRP-GraphicTests

Finished Distortion features tests

Tests/GraphicsTests/RenderPipeline/HDRenderPipeline/CommonAssets/Shaders/DistordFromTex.shader

 	Properties
 	{
         _Tex("InputTex", 2D) = "white" {}
+        _Scale("Scale", Float) = 2
+        _Bias("Bias", Float) = -1
 	}
 	SubShader
 	{
             #pragma target 3.0
 
             sampler2D   _Tex;
+            float _Scale, _Bias;
 
             float4 frag(v2f_customrendertexture IN) : COLOR
             {
-                c.rg = c.rg * 2 - 1;
+                c.rg = c.rg * _Scale + _Bias;
 				
                 return c;
             }

Tests/GraphicsTests/RenderPipeline/HDRenderPipeline/CommonAssets/Textures/Distortion/Distord_TexRemap.mat

   m_PrefabParentObject: {fileID: 0}
   m_PrefabInternal: {fileID: 0}
   m_Name: Distord_TexRemap
-  m_Shader: {fileID: 4800000, guid: d133630aa023e0f4e89581914056f837, type: 3}
+  m_Shader: {fileID: 4800000, guid: 7f033e9aeb69daa47b4469d53c547419, type: 3}
   m_ShaderKeywords: _ALBEDOAFFECTEMISSIVE_OFF _ALPHACUTOFFENABLE_OFF _DEPTHOFFSETENABLE_OFF
     _DISTORTIONENABLE_OFF _DOUBLESIDEDENABLE_OFF _ENABLESPECULAROCCLUSION_OFF _ENABLEWIND_OFF
     _PREREFRACTIONPASS_OFF
     - _AlphaCutoff: 0.5
     - _AlphaCutoffEnable: 0
     - _Anisotropy: 0
+    - _Bias: -1
     - _BlendMode: 0
     - _CoatCoverage: 1
     - _CoatIOR: 0.5
     - _PPDPrimitiveWidth: 1
     - _PreRefractionPass: 0
     - _RefractionMode: 0
+    - _Scale: 2
     - _ShiverDirectionality: 0.5
     - _ShiverDrag: 0.2
     - _Smoothness: 1

Tests/GraphicsTests/RenderPipeline/HDRenderPipeline/Scenes/1xxx_Materials/1206_Lit_Transparent_Distortion/Lit_Distortion.mat

         m_Scale: {x: 1, y: 1}
         m_Offset: {x: 0, y: 0}
     m_Floats:
+    - _AORemapMax: 1
+    - _AORemapMin: 0
     - _ATDistance: 1
     - _AlbedoAffectEmissive: 0
     - _AlphaCutoff: 0.5
     - _DistortionEnable: 1
     - _DistortionScale: 15
     - _DistortionSrcBlend: 1
+    - _DistortionVectorBias: 0
+    - _DistortionVectorScale: 1
     - _DoubleSidedEnable: 0
     - _DoubleSidedNormalMode: 1
     - _Drag: 1

Tests/GraphicsTests/RenderPipeline/HDRenderPipeline/CommonAssets/Textures/Distortion/Distord_Test_LDR.png.meta

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+  spriteTessellationDetail: -1
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